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I don't understand why this isn't being calculated

by jn001 in New kdb+/q users question forum
Friday
Friday
 . 
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how to solve this allocation problem

by chan_chenyanj in New kdb+/q users question forum
‎2022.05.13 08:34 PM
‎2022.05.13 08:34 PM
...llowToPick:(true;true;true);(true;true;true)
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how to clear the current line

by powerpeanuts in New kdb+/q users question forum
‎2022.05.11 02:44 AM
‎2022.05.11 02:44 AM
I am using the console, how can I clear the current line? It seems the usual "Esc" button does not work.   For example: q)"hello world"   And I would like to clear this line on th...
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  • command line options

Brand New to qSql

by mkoon in New kdb+/q users question forum
‎2022.05.06 03:16 PM
‎2022.05.06 03:16 PM
Just got started with qsql. how to I compare 2 columns of type string.  childID and parentID are of type string   select from data where childID like parentID    
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  • datatypes
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Decimal Places by Condition

by k-mambo in New kdb+/q users question forum
‎2022.05.02 12:47 AM
‎2022.05.02 12:47 AM
Table Example   start_date val ---------------------------------------- 2022.05.02D07:36:35.901000000 0.01 2022.05.02D07:36:36.341000000 0.0125 2022.05.02...
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Count items from a dynamic list

by hzadonis369 in New kdb+/q users question forum
‎2022.04.30 05:16 AM
‎2022.04.30 05:16 AM
Hi, Masters:   Say I have a list contains dynamic sym variables:      `a`b`a`b`c`d`c`b`a...   How can I count each sym and get an output such as:     `a:4 ...
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How to remove or add items from a list

by BigGorilla in New kdb+/q users question forum
‎2022.04.19 06:29 PM
‎2022.04.19 06:29 PM
Hello, I know this is answered somewhere but I can't find it! I have two lists and they're slightly different lengths. How can I add or remove the first or last items in the lists? There are a ...
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how to understand the code below

by chan_chenyanj in New kdb+/q users question forum
‎2022.04.14 08:46 PM
‎2022.04.14 08:46 PM
suppose you have a table with several columns named col1 like `3Y`5Y and col2 like `3Y`4Y so they are vector of symbols and call table t   how can i read the below two queries   1. ...
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OSError using qpython

by powerpeanuts in New kdb+/q users question forum
‎2021.12.13 06:40 PM
1 Kudo
‎2021.12.13 06:40 PM
1 Kudo
I am using the qpython package to query the data from a live (records are inserted constantly) in-memory table. At times, I have this error thrown to me: OSError: [WinError 10048] Only one usage of...
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  • system commands

Double comma when converting qsql statements to fu...

by mmcalister in New kdb+/q users question forum
‎2022.01.11 12:11 AM
1 Kudo
‎2022.01.11 12:11 AM
1 Kudo
What does the presence of the double comma, (,,) before the where phrase part of a parsed select statement. I know a single comma means it is enlisted (see photo) What are the implications i...
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